Home / 10,523.69-15,781.41-3,946.29

Finding the Fourth Proportional to 10,523.69, 15,781.41 and 3,946.29

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Solution

The fourth proportional to 10,523.69, 15,781.41 and 3,946.29 is: 5,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.69 : 15,781.41 = 3,946.29 : x
  2. Step 2: Convert to fraction form
    10,523.69/15,781.41 = 3,946.29/x
  3. Step 3: Cross multiply
    10,523.69x = 15,781.41 × 3,946.29
  4. Step 4: Simplify right side
    10,523.69x = 62,278,020.47
  5. Step 5: Solve for x
    x = 62,278,020.47/10,523.69
  6. Step 6: Final answer
    x = 5,917.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.